/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 06:20:51,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 06:20:51,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 06:20:51,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 06:20:51,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 06:20:51,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 06:20:51,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 06:20:51,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 06:20:51,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 06:20:51,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 06:20:51,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 06:20:51,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 06:20:51,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 06:20:51,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 06:20:51,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 06:20:51,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 06:20:51,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 06:20:51,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 06:20:51,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 06:20:51,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 06:20:51,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 06:20:51,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 06:20:51,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 06:20:51,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 06:20:51,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 06:20:51,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 06:20:51,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 06:20:51,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 06:20:51,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 06:20:51,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 06:20:51,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 06:20:51,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 06:20:51,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 06:20:51,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 06:20:51,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 06:20:51,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 06:20:51,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 06:20:51,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 06:20:51,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 06:20:51,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 06:20:51,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 06:20:51,684 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 06:20:51,705 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 06:20:51,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 06:20:51,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 06:20:51,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 06:20:51,707 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 06:20:51,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 06:20:51,707 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 06:20:51,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 06:20:51,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 06:20:51,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 06:20:51,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 06:20:51,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 06:20:51,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 06:20:51,709 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 06:20:51,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 06:20:51,709 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 06:20:51,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 06:20:51,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 06:20:51,710 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 06:20:51,710 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 06:20:51,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 06:20:51,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 06:20:51,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 06:20:51,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 06:20:51,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 06:20:51,711 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 06:20:51,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 06:20:51,711 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 06:20:51,712 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 06:20:51,712 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 06:20:52,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 06:20:52,056 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 06:20:52,060 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 06:20:52,062 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 06:20:52,062 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 06:20:52,063 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product12.cil.c [2020-10-14 06:20:52,136 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4f7a0ae0/d455538e7e264f8e83715ef3066f1a7c/FLAG717fa87a6 [2020-10-14 06:20:52,723 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 06:20:52,724 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec1_product12.cil.c [2020-10-14 06:20:52,745 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4f7a0ae0/d455538e7e264f8e83715ef3066f1a7c/FLAG717fa87a6 [2020-10-14 06:20:53,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4f7a0ae0/d455538e7e264f8e83715ef3066f1a7c [2020-10-14 06:20:53,014 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 06:20:53,016 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 06:20:53,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 06:20:53,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 06:20:53,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 06:20:53,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:20:53" (1/1) ... [2020-10-14 06:20:53,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e89ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:20:53, skipping insertion in model container [2020-10-14 06:20:53,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:20:53" (1/1) ... [2020-10-14 06:20:53,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 06:20:53,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 06:20:53,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:20:53,871 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 06:20:53,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:20:54,042 INFO L208 MainTranslator]: Completed translation [2020-10-14 06:20:54,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:20:54 WrapperNode [2020-10-14 06:20:54,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 06:20:54,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 06:20:54,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 06:20:54,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 06:20:54,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:20:54" (1/1) ... [2020-10-14 06:20:54,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:20:54" (1/1) ... [2020-10-14 06:20:54,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:20:54" (1/1) ... [2020-10-14 06:20:54,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:20:54" (1/1) ... [2020-10-14 06:20:54,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:20:54" (1/1) ... [2020-10-14 06:20:54,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:20:54" (1/1) ... [2020-10-14 06:20:54,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:20:54" (1/1) ... [2020-10-14 06:20:54,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 06:20:54,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 06:20:54,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 06:20:54,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 06:20:54,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:20:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 06:20:54,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 06:20:54,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 06:20:54,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 06:20:54,313 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 06:20:54,314 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 06:20:54,314 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 06:20:54,314 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 06:20:54,314 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 06:20:54,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-14 06:20:54,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-14 06:20:54,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-14 06:20:54,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-14 06:20:54,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-14 06:20:54,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-14 06:20:54,316 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-14 06:20:54,316 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-14 06:20:54,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 06:20:54,317 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 06:20:54,317 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-14 06:20:54,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-14 06:20:54,318 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-14 06:20:54,318 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-14 06:20:54,318 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-14 06:20:54,318 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-14 06:20:54,319 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-14 06:20:54,319 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-14 06:20:54,319 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-14 06:20:54,319 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-14 06:20:54,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-14 06:20:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-14 06:20:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-14 06:20:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-14 06:20:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-14 06:20:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-14 06:20:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-14 06:20:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-14 06:20:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-14 06:20:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-14 06:20:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-14 06:20:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-14 06:20:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-14 06:20:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-14 06:20:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-14 06:20:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-14 06:20:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-14 06:20:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-14 06:20:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-14 06:20:54,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-14 06:20:54,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-14 06:20:54,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-14 06:20:54,323 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-14 06:20:54,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-14 06:20:54,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-14 06:20:54,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-14 06:20:54,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-14 06:20:54,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-14 06:20:54,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-14 06:20:54,325 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-14 06:20:54,325 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-14 06:20:54,325 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-14 06:20:54,326 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-14 06:20:54,326 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-14 06:20:54,326 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-14 06:20:54,326 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-14 06:20:54,326 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-14 06:20:54,327 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-14 06:20:54,327 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-14 06:20:54,327 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-14 06:20:54,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-14 06:20:54,327 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-14 06:20:54,328 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-14 06:20:54,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-14 06:20:54,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-14 06:20:54,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-14 06:20:54,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-14 06:20:54,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-14 06:20:54,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-14 06:20:54,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-14 06:20:54,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-14 06:20:54,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-14 06:20:54,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-14 06:20:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-14 06:20:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-14 06:20:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-14 06:20:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-14 06:20:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-14 06:20:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-14 06:20:54,331 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-14 06:20:54,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-14 06:20:54,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-14 06:20:54,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-14 06:20:54,331 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-14 06:20:54,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 06:20:54,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 06:20:54,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 06:20:54,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 06:20:54,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 06:20:54,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 06:20:54,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 06:20:54,333 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-14 06:20:54,333 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-14 06:20:54,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-14 06:20:54,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-14 06:20:54,333 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-14 06:20:54,334 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-14 06:20:54,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-14 06:20:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 06:20:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 06:20:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-14 06:20:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-14 06:20:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-14 06:20:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-14 06:20:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-14 06:20:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-14 06:20:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-14 06:20:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-14 06:20:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 06:20:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 06:20:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 06:20:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 06:20:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 06:20:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 06:20:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-14 06:20:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-14 06:20:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-14 06:20:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-14 06:20:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-14 06:20:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-14 06:20:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-14 06:20:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-14 06:20:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-14 06:20:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-14 06:20:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-14 06:20:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-14 06:20:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-14 06:20:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-14 06:20:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-14 06:20:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-14 06:20:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-14 06:20:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-14 06:20:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 06:20:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 06:20:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-14 06:20:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-14 06:20:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-14 06:20:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-14 06:20:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-14 06:20:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 06:20:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-14 06:20:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-14 06:20:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-14 06:20:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-14 06:20:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-14 06:20:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-14 06:20:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-14 06:20:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-14 06:20:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-14 06:20:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-14 06:20:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-14 06:20:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-14 06:20:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-14 06:20:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-14 06:20:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-14 06:20:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-14 06:20:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-14 06:20:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-14 06:20:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-14 06:20:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-14 06:20:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-14 06:20:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-14 06:20:54,345 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-14 06:20:54,345 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-14 06:20:54,345 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-14 06:20:54,345 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-14 06:20:54,345 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-14 06:20:54,345 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-14 06:20:54,345 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-14 06:20:54,345 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-14 06:20:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-14 06:20:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-14 06:20:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-14 06:20:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-14 06:20:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-14 06:20:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-14 06:20:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-14 06:20:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-14 06:20:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-14 06:20:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-14 06:20:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-14 06:20:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-14 06:20:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-14 06:20:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-14 06:20:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-14 06:20:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-14 06:20:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-14 06:20:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-14 06:20:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-14 06:20:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-14 06:20:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-14 06:20:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-14 06:20:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-14 06:20:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-14 06:20:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 06:20:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 06:20:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 06:20:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 06:20:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 06:20:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 06:20:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 06:20:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 06:20:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 06:20:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 06:20:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 06:20:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 06:20:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 06:20:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 06:20:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 06:20:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 06:20:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 06:20:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-14 06:20:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-14 06:20:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-14 06:20:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-14 06:20:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-14 06:20:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 06:20:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 06:20:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 06:20:56,205 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 06:20:56,205 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-14 06:20:56,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:20:56 BoogieIcfgContainer [2020-10-14 06:20:56,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 06:20:56,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 06:20:56,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 06:20:56,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 06:20:56,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:20:53" (1/3) ... [2020-10-14 06:20:56,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2335fd9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:20:56, skipping insertion in model container [2020-10-14 06:20:56,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:20:54" (2/3) ... [2020-10-14 06:20:56,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2335fd9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:20:56, skipping insertion in model container [2020-10-14 06:20:56,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:20:56" (3/3) ... [2020-10-14 06:20:56,219 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product12.cil.c [2020-10-14 06:20:56,229 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 06:20:56,237 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 06:20:56,251 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 06:20:56,279 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 06:20:56,280 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 06:20:56,280 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 06:20:56,280 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 06:20:56,280 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 06:20:56,280 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 06:20:56,280 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 06:20:56,280 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 06:20:56,307 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states. [2020-10-14 06:20:56,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-14 06:20:56,324 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:20:56,326 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:20:56,326 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:20:56,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:20:56,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1292534618, now seen corresponding path program 1 times [2020-10-14 06:20:56,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:20:56,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [162047431] [2020-10-14 06:20:56,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:20:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:20:57,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:20:57,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:20:57,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:20:57,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:00,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:01,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:01,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:01,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-14 06:21:01,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:21:01,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 06:21:01,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:01,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:01,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:01,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-14 06:21:01,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:01,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 06:21:03,631 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-14 06:21:03,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:21:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:03,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:03,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:03,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:21:03,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:03,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 06:21:03,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:03,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:03,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:03,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:03,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:03,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:03,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:21:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:03,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:03,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:03,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:21:03,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:03,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:03,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:03,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:03,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:03,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:03,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:03,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:03,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:21:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:03,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:03,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:03,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:21:03,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:03,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:03,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:03,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:03,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:03,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:03,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:03,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:03,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:21:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:03,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:03,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:03,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:21:03,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:03,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:03,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:03,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:03,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:03,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:03,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:03,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:03,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:21:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:03,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:03,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:03,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:03,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:05,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:08,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:08,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:21:08,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:21:08,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 06:21:08,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:08,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:08,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:08,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:08,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:08,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:08,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:08,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:08,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:08,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:21:08,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:08,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:21:08,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:08,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:08,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:08,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:08,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:08,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:08,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:08,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:08,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:08,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:21:08,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:08,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:21:08,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:08,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:08,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:08,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:08,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:08,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:08,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:08,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:08,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:08,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:08,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:08,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:21:08,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:08,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:08,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:08,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:08,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:08,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 06:21:08,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:21:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:08,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:08,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:08,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:08,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:08,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:08,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:08,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:08,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:08,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:08,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:08,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 06:21:08,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:21:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:08,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:08,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:08,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:21:08,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:08,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 06:21:08,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:08,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:08,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:08,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:08,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:08,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:08,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:08,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:08,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:08,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:21:08,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:08,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:21:08,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:08,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:08,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:08,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:08,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:08,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:08,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:08,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:08,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:08,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:08,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:08,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:08,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:08,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:08,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:08,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:08,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:08,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:08,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:21:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:08,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:08,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:08,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:08,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:08,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:08,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:08,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:08,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:08,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:08,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:08,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:08,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:21:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:08,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:08,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:08,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:21:08,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:08,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:21:08,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:08,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:08,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:08,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:08,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:08,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:08,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:08,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:08,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:08,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:21:08,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:08,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:21:08,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:08,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:08,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:08,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:08,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:08,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:08,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:08,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:08,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:08,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:08,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:08,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:21:08,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:08,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:08,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:08,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:08,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:08,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:08,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:21:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:08,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:08,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:08,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:08,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:08,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:08,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:08,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:08,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:08,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:08,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:08,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:08,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 06:21:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:08,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:09,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:09,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:21:09,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:09,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:21:09,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:09,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:09,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:09,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:21:09,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:09,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:21:09,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:09,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:09,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:09,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:09,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:09,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:09,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:09,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:09,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:09,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:09,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:09,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:09,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:21:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:09,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:09,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:09,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:09,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:09,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:09,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:09,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:09,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:09,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:09,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:09,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:09,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 06:21:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:09,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:09,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:09,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:09,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:09,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:09,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:09,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:09,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:09,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:21:09,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:09,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:21:09,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-14 06:21:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:09,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:09,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:09,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:21:09,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:09,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:09,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:09,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:09,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:09,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:21:09,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:09,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:09,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 06:21:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:09,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:09,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:09,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:09,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:09,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:09,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:09,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:09,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:09,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:21:09,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:09,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:09,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-14 06:21:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:09,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:09,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:09,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:09,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:09,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:09,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:09,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:09,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:09,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:21:09,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:09,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:09,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-14 06:21:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:09,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:09,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:09,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:09,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:09,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:09,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:09,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:09,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:09,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:21:09,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:09,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:21:09,158 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:21:09,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [162047431] [2020-10-14 06:21:09,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:21:09,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 06:21:09,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145985928] [2020-10-14 06:21:09,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 06:21:09,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:21:09,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 06:21:09,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 06:21:09,195 INFO L87 Difference]: Start difference. First operand 424 states. Second operand 10 states. [2020-10-14 06:21:21,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:21:21,040 INFO L93 Difference]: Finished difference Result 897 states and 1340 transitions. [2020-10-14 06:21:21,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 06:21:21,043 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 145 [2020-10-14 06:21:21,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:21:21,067 INFO L225 Difference]: With dead ends: 897 [2020-10-14 06:21:21,067 INFO L226 Difference]: Without dead ends: 647 [2020-10-14 06:21:21,074 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2020-10-14 06:21:21,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2020-10-14 06:21:21,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 379. [2020-10-14 06:21:21,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-10-14 06:21:21,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 510 transitions. [2020-10-14 06:21:21,313 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 510 transitions. Word has length 145 [2020-10-14 06:21:21,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:21:21,314 INFO L479 AbstractCegarLoop]: Abstraction has 379 states and 510 transitions. [2020-10-14 06:21:21,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 06:21:21,315 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 510 transitions. [2020-10-14 06:21:21,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-14 06:21:21,320 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:21:21,320 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:21:21,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 06:21:21,321 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:21:21,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:21:21,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1702693606, now seen corresponding path program 1 times [2020-10-14 06:21:21,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:21:21,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [466649969] [2020-10-14 06:21:21,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:21:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:21,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:21,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:21,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:21,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:21,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:26,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:26,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-14 06:21:26,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:21:26,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-14 06:21:26,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:26,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:26,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:21:26,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:21:26,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 06:21:26,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:21:27,621 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-14 06:21:27,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:21:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:27,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:27,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:27,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:21:27,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:27,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 06:21:27,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:27,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:27,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:27,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:27,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:27,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:27,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:21:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:27,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:27,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:27,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:21:27,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:27,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:21:27,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:27,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:27,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:27,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:27,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:27,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:21:27,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:21:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:27,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:27,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:27,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:21:27,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:27,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:21:27,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:27,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:27,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:27,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:21:27,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:21:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:27,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:27,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:27,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:21:27,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:27,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:27,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:27,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:27,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:27,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:27,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:27,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:27,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:21:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:27,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:27,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:27,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:27,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:28,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:32,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:32,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:21:32,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:21:32,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 06:21:32,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:32,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:32,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:32,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:32,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:32,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 06:21:32,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:32,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:32,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:32,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:21:32,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:32,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:21:32,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:32,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:32,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:32,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:32,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:32,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:32,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:32,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:32,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:32,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:21:32,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:32,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:21:32,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:32,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:32,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:32,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:32,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:32,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:32,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:32,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:32,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:32,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:32,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:32,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:32,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:32,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:32,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:32,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:32,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:32,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:32,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:21:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:32,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:32,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:32,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:32,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:32,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:32,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:32,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:32,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:32,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:32,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:32,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:32,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:21:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:32,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:32,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:32,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:21:32,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:32,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:21:32,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:32,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:32,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:32,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:32,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:32,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:32,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:32,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:32,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:32,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:21:32,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:32,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:21:32,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:32,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:32,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:32,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:32,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:32,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:32,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:32,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:32,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:32,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:32,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:32,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:32,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:32,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:32,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:32,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:32,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:32,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:32,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:21:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:32,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:32,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:32,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:32,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:32,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:32,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:32,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:32,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:32,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:32,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:32,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:32,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:21:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:32,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:32,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:32,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:21:32,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:32,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:21:32,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:32,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:32,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:32,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:32,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:32,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:32,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:32,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:32,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:32,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:21:32,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:32,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:21:32,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:32,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:32,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:32,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:32,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:32,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:32,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:32,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:32,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:32,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:32,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:32,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:32,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:32,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:32,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:32,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 06:21:32,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:21:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:32,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:32,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:32,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:32,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:32,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:32,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:32,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:32,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:32,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:32,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:32,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 06:21:32,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 06:21:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:32,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:32,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:32,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:21:32,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:32,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 06:21:32,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:32,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:32,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:32,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:21:32,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:32,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:33,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:33,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:33,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:33,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:33,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:33,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:33,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:33,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:33,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:33,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:33,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:33,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:33,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:21:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:33,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:33,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:33,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:33,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:33,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:33,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:33,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:33,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:33,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:33,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:33,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:33,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 06:21:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:33,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:33,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:33,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:33,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:33,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:33,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:33,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:33,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:33,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:21:33,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:33,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:33,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 06:21:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:33,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:33,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:33,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:21:33,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:33,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:21:33,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:33,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:33,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:33,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:21:33,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:33,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:33,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 06:21:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:33,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:33,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:33,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:33,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:33,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:33,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:33,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:33,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:33,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:21:33,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:33,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:33,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 06:21:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:33,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:33,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:33,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:33,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:33,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:33,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:33,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:33,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:33,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:21:33,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:33,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:33,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 06:21:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:33,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:33,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:33,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:33,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:33,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:33,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:33,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:33,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:33,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:21:33,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:33,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:33,199 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:21:33,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [466649969] [2020-10-14 06:21:33,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:21:33,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:21:33,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23609364] [2020-10-14 06:21:33,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:21:33,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:21:33,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:21:33,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:21:33,209 INFO L87 Difference]: Start difference. First operand 379 states and 510 transitions. Second operand 11 states. [2020-10-14 06:21:37,194 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-14 06:21:46,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:21:46,729 INFO L93 Difference]: Finished difference Result 808 states and 1164 transitions. [2020-10-14 06:21:46,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 06:21:46,730 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 146 [2020-10-14 06:21:46,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:21:46,739 INFO L225 Difference]: With dead ends: 808 [2020-10-14 06:21:46,739 INFO L226 Difference]: Without dead ends: 650 [2020-10-14 06:21:46,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2020-10-14 06:21:46,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2020-10-14 06:21:46,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 381. [2020-10-14 06:21:46,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-10-14 06:21:46,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 512 transitions. [2020-10-14 06:21:46,911 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 512 transitions. Word has length 146 [2020-10-14 06:21:46,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:21:46,912 INFO L479 AbstractCegarLoop]: Abstraction has 381 states and 512 transitions. [2020-10-14 06:21:46,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:21:46,912 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 512 transitions. [2020-10-14 06:21:46,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-14 06:21:46,915 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:21:46,915 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:21:46,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 06:21:46,916 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:21:46,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:21:46,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1477290126, now seen corresponding path program 1 times [2020-10-14 06:21:46,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:21:46,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [748027174] [2020-10-14 06:21:46,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:21:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:46,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:47,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:47,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:47,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:48,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:48,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:51,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:51,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-14 06:21:51,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:21:51,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 06:21:51,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:51,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:51,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:21:51,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:21:51,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:21:51,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:21:53,477 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-14 06:21:53,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:21:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:53,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:53,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:53,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:21:53,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:53,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 06:21:53,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:53,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:53,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:53,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:53,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:53,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:21:53,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:21:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:53,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:53,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:53,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:21:53,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:53,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:21:53,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:53,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:53,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:53,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:53,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:53,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:21:53,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:21:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:53,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:53,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:53,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:21:53,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:53,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:21:53,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:53,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:53,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:53,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:53,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:53,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:21:53,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:21:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:53,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:53,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:53,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:21:53,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:53,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:21:53,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:53,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:53,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:53,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:53,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:53,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:21:53,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:21:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:53,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:53,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:53,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:53,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:54,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:57,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:57,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:21:57,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:21:57,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4208 [2020-10-14 06:21:57,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:57,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:57,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:57,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:57,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:57,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:21:57,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:57,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:57,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:57,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:21:57,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:57,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:21:57,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:57,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:57,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:57,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:57,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:57,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:21:57,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:57,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:57,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:57,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:21:57,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:57,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:57,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:57,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:57,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:57,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:57,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:57,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:21:57,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:57,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:57,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:57,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:57,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:57,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:21:57,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:57,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:57,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:57,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:57,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:57,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:21:57,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:21:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:57,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:57,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:57,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:57,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:57,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:57,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:57,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:57,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:57,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:57,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:57,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:21:57,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:21:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:57,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:57,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:57,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:21:57,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:57,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:21:57,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:57,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:57,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:57,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:57,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:57,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:21:57,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:57,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:57,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:57,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:21:57,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:57,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:57,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:57,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:57,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:57,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:57,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:57,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:57,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:57,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:57,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:57,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:57,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:57,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:57,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:57,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:57,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:57,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:57,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:57,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:57,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:21:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:57,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:57,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:57,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:57,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:57,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:57,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:57,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:57,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:57,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:57,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:57,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:57,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:21:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:57,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:57,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:57,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:21:57,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:57,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:21:57,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:57,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:57,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:57,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:57,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:57,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:57,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:57,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:57,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:57,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:21:57,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:57,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:57,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:57,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:57,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:57,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:57,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:57,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:21:57,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:57,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:57,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:57,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:57,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:57,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:57,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:57,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:57,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:57,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:57,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:57,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:57,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:21:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:57,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:57,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:57,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:57,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:57,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:57,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:57,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:57,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:57,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:57,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:57,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:21:57,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 06:21:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:57,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:57,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:57,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:21:57,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:57,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:21:57,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:57,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:21:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:57,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:21:57,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:21:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:57,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:57,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:57,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:57,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:57,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:57,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:57,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:57,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:57,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:57,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:57,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:57,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:21:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:57,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:58,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:58,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:58,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:58,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:58,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:58,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:58,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:58,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:21:58,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:58,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:58,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 06:21:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:58,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:58,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:58,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:58,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:58,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:58,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:58,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:21:58,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:58,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:21:58,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 06:21:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:58,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:58,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:58,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:21:58,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:58,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:58,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:58,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:21:58,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:58,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:58,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 06:21:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:58,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:58,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:58,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:58,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:58,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:58,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:58,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:58,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:58,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:21:58,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:58,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:58,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 06:21:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:58,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:58,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:58,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:58,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:58,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:58,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:58,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:58,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:58,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:21:58,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:58,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:58,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 06:21:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:21:58,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:21:58,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:21:58,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:21:58,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:21:58,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:21:58,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:21:58,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:21:58,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:21:58,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:21:58,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:21:58,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:21:58,111 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:21:58,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [748027174] [2020-10-14 06:21:58,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:21:58,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:21:58,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726808542] [2020-10-14 06:21:58,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:21:58,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:21:58,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:21:58,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:21:58,115 INFO L87 Difference]: Start difference. First operand 381 states and 512 transitions. Second operand 11 states. [2020-10-14 06:22:01,820 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-14 06:22:12,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:22:12,844 INFO L93 Difference]: Finished difference Result 1082 states and 1626 transitions. [2020-10-14 06:22:12,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 06:22:12,845 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 152 [2020-10-14 06:22:12,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:22:12,852 INFO L225 Difference]: With dead ends: 1082 [2020-10-14 06:22:12,852 INFO L226 Difference]: Without dead ends: 766 [2020-10-14 06:22:12,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-14 06:22:12,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2020-10-14 06:22:13,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 419. [2020-10-14 06:22:13,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-10-14 06:22:13,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 578 transitions. [2020-10-14 06:22:13,016 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 578 transitions. Word has length 152 [2020-10-14 06:22:13,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:22:13,017 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 578 transitions. [2020-10-14 06:22:13,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:22:13,017 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 578 transitions. [2020-10-14 06:22:13,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-14 06:22:13,020 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:22:13,020 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:22:13,020 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 06:22:13,020 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:22:13,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:22:13,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1886930768, now seen corresponding path program 1 times [2020-10-14 06:22:13,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:22:13,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [490596054] [2020-10-14 06:22:13,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:22:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:13,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:13,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:13,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:13,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:14,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:18,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:18,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-14 06:22:18,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:22:18,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-14 06:22:18,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:18,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:18,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:22:18,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:22:18,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:22:18,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:19,338 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-14 06:22:19,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:22:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:19,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:19,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:19,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:22:19,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:19,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 06:22:19,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:19,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:19,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:19,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:19,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:19,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:19,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:22:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:19,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:19,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:19,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:22:19,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:19,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:22:19,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:19,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:19,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:19,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:19,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:19,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:19,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:22:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:19,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:19,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:19,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:22:19,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:19,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:22:19,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:19,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:19,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:19,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:19,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:19,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:19,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:22:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:19,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:19,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:19,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:22:19,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:19,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:22:19,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:19,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:19,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:19,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:19,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:19,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:19,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:22:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:19,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:19,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:19,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:19,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:20,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:23,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:23,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:22:23,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:22:23,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3828 [2020-10-14 06:22:23,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:23,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:23,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:23,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:23,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:23,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:23,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:23,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:22:23,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:23,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 06:22:23,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:23,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:23,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:23,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:23,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:23,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:23,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:23,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:23,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:23,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:22:23,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:23,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:22:23,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:23,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:23,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:23,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:23,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:23,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:23,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:23,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:23,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:23,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:23,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:23,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:23,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:23,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:23,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:23,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:23,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:23,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:22:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:23,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:23,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:23,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:23,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:23,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:23,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:23,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:23,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:23,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:23,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:23,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:23,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:22:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:23,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:23,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:23,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:22:23,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:23,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:22:23,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:23,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:23,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:23,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:23,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:23,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:23,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:23,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:23,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:23,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:22:23,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:23,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:22:23,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:23,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:23,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:23,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:23,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:23,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:23,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:23,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:23,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:23,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:23,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:23,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:23,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:23,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:23,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:23,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:23,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:23,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:23,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:22:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:23,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:23,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:23,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:23,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:23,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:23,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:23,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:23,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:23,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:23,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:23,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:23,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:22:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:23,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:23,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:23,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:22:23,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:23,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:22:23,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:23,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:23,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:23,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:23,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:23,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:23,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:23,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:23,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:23,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:22:23,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:23,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:23,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:23,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:23,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:23,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:23,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:23,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:23,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:23,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:23,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:23,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:23,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:23,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:23,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:23,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:23,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:23,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:23,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:23,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:23,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:22:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:23,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:23,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:23,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:23,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:23,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:23,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:23,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:23,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:23,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:23,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:23,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:23,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 06:22:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:23,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:23,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:23,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:22:23,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:23,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:22:23,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:23,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:23,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:23,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:22:23,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:23,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:23,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:23,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:23,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:23,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:23,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:23,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:23,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:23,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:23,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:23,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:23,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:23,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:23,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:22:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:23,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:23,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:23,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:23,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:23,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:23,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:23,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:23,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:23,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:23,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:23,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:23,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-14 06:22:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:23,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:23,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:23,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:23,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:23,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:22:23,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:23,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:23,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:23,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:22:23,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:23,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:23,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 06:22:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:23,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:23,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:23,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:22:23,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:23,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:22:23,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:23,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:23,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:23,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:22:23,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:23,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:23,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-14 06:22:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:23,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:23,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:23,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:23,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:23,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:22:23,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:23,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:23,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:23,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:22:23,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:23,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:23,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 06:22:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:23,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:23,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:23,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:23,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:23,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:22:23,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:23,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:23,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:23,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:22:23,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:23,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:23,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-14 06:22:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:23,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:23,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:23,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:23,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:23,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:22:23,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:23,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:23,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:23,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:22:23,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:23,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:23,554 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:22:23,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [490596054] [2020-10-14 06:22:23,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 06:22:23,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 06:22:23,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21286668] [2020-10-14 06:22:23,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 06:22:23,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:22:23,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 06:22:23,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-14 06:22:23,558 INFO L87 Difference]: Start difference. First operand 419 states and 578 transitions. Second operand 12 states. [2020-10-14 06:22:26,732 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-14 06:22:27,962 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-14 06:22:37,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:22:37,630 INFO L93 Difference]: Finished difference Result 984 states and 1486 transitions. [2020-10-14 06:22:37,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 06:22:37,631 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 153 [2020-10-14 06:22:37,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:22:37,639 INFO L225 Difference]: With dead ends: 984 [2020-10-14 06:22:37,639 INFO L226 Difference]: Without dead ends: 826 [2020-10-14 06:22:37,640 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=157, Invalid=305, Unknown=0, NotChecked=0, Total=462 [2020-10-14 06:22:37,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2020-10-14 06:22:37,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 462. [2020-10-14 06:22:37,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-10-14 06:22:37,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 650 transitions. [2020-10-14 06:22:37,809 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 650 transitions. Word has length 153 [2020-10-14 06:22:37,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:22:37,810 INFO L479 AbstractCegarLoop]: Abstraction has 462 states and 650 transitions. [2020-10-14 06:22:37,810 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 06:22:37,810 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 650 transitions. [2020-10-14 06:22:37,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-14 06:22:37,813 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:22:37,814 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:22:37,814 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 06:22:37,814 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:22:37,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:22:37,814 INFO L82 PathProgramCache]: Analyzing trace with hash 404478739, now seen corresponding path program 1 times [2020-10-14 06:22:37,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:22:37,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1855808963] [2020-10-14 06:22:37,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:22:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:37,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:37,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:37,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:37,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:38,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:38,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:38,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:38,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:39,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:39,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:39,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:39,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:39,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:39,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:42,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:42,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-14 06:22:42,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-14 06:22:42,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 06:22:42,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:42,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:42,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:22:42,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:22:42,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 06:22:42,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:44,038 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-14 06:22:44,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:22:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:44,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:44,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:44,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:22:44,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:44,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 06:22:44,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:44,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:44,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:44,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:44,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:44,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:44,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:22:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:44,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:44,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:44,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:22:44,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:44,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:22:44,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:44,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:44,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:44,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:44,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:44,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:44,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:22:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:44,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:44,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:44,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:22:44,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:44,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:22:44,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:44,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:44,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:44,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:44,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:44,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:44,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:22:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:44,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:44,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:44,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:22:44,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:44,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:22:44,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:44,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:44,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:44,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:44,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:44,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:44,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:22:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:44,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:44,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:44,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:44,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:44,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:47,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:47,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:22:47,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:22:47,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3840 [2020-10-14 06:22:47,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:47,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:47,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:47,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:47,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:47,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:48,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:48,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:48,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:48,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:22:48,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:48,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:22:48,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:48,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:48,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:48,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:48,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:48,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:48,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:48,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:48,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:48,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:22:48,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:48,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:48,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:48,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:48,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:48,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:48,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:48,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:48,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:48,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:48,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:48,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:48,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:48,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:48,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:48,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:48,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:48,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:48,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:48,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:48,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:22:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:48,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:48,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:48,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:48,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:48,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:48,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:48,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:48,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:48,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:48,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:48,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:48,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:22:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:48,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:48,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:48,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:22:48,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:48,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:22:48,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:48,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:48,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:48,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:48,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:48,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:48,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:48,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:48,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:48,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:22:48,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:48,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:48,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:48,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:48,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:48,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:48,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:48,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:48,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:48,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:48,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:22:48,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:48,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:48,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:48,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:48,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:48,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:48,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:22:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:48,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:48,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:48,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:48,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:48,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:22:48,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:48,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:48,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:48,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:48,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:48,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:48,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:22:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:48,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:48,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:48,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:22:48,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:48,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:22:48,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:48,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:48,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:48,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:48,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:48,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:48,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:48,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:48,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:48,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:22:48,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:48,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:48,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:48,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:48,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:48,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:48,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:48,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:48,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:48,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:48,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:48,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:48,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:48,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:48,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:48,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:48,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:48,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:48,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:48,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:48,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:22:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:48,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:48,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:48,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:48,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:48,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:22:48,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:48,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:48,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:48,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:48,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:48,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:48,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 06:22:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:48,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:48,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:48,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:22:48,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:48,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:22:48,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:48,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:48,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:48,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:22:48,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:48,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:48,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:48,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:48,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:48,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:48,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:48,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:48,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:48,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:48,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:48,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:48,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:48,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:48,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:22:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:48,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:48,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:48,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:48,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:48,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:48,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:48,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:48,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:48,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:48,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:48,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:48,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 06:22:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:48,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:48,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:48,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:48,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:48,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:22:48,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:48,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:48,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:48,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:22:48,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:48,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:48,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 06:22:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:48,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:48,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:48,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:22:48,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:48,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:48,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:48,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:48,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:48,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:22:48,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:48,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:48,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 06:22:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:48,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:48,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:48,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:48,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:48,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:22:48,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:48,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:48,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:48,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:22:48,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:48,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:48,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-14 06:22:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:48,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:48,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:48,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:48,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:48,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:48,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:48,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:48,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:48,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:22:48,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:48,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:48,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-14 06:22:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:48,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:48,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:48,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:48,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:48,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:22:48,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:48,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:48,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:48,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:22:48,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:48,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:48,237 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:22:48,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1855808963] [2020-10-14 06:22:48,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:22:48,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:22:48,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297302121] [2020-10-14 06:22:48,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:22:48,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:22:48,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:22:48,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:22:48,239 INFO L87 Difference]: Start difference. First operand 462 states and 650 transitions. Second operand 11 states. [2020-10-14 06:22:51,207 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-14 06:23:00,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:23:00,972 INFO L93 Difference]: Finished difference Result 1204 states and 1905 transitions. [2020-10-14 06:23:00,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 06:23:00,973 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 159 [2020-10-14 06:23:00,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:23:00,981 INFO L225 Difference]: With dead ends: 1204 [2020-10-14 06:23:00,981 INFO L226 Difference]: Without dead ends: 1046 [2020-10-14 06:23:00,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-14 06:23:00,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2020-10-14 06:23:01,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 537. [2020-10-14 06:23:01,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2020-10-14 06:23:01,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 777 transitions. [2020-10-14 06:23:01,264 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 777 transitions. Word has length 159 [2020-10-14 06:23:01,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:23:01,266 INFO L479 AbstractCegarLoop]: Abstraction has 537 states and 777 transitions. [2020-10-14 06:23:01,267 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:23:01,267 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 777 transitions. [2020-10-14 06:23:01,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-14 06:23:01,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:23:01,273 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:23:01,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 06:23:01,274 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:23:01,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:23:01,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1423437861, now seen corresponding path program 1 times [2020-10-14 06:23:01,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:23:01,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [930045524] [2020-10-14 06:23:01,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:23:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:01,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:01,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:01,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:01,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:01,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:01,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:01,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:01,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:01,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:01,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:01,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:01,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:02,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:04,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:05,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:06,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:06,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-14 06:23:06,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-14 06:23:06,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-14 06:23:06,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:06,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:06,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:23:06,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:23:06,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 06:23:06,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:07,570 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-14 06:23:07,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:23:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:07,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:07,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:07,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:23:07,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:07,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 06:23:07,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:07,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:07,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:07,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:23:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:07,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:07,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:07,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:23:07,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:07,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:07,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:07,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:07,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:07,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:07,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:07,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:07,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:23:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:07,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:07,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:07,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:23:07,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:07,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:07,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:07,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:07,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:07,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:07,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:07,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:07,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:23:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:07,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:07,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:07,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:23:07,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:07,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:07,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:07,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:07,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:07,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:07,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:07,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:07,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:23:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:07,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:07,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:07,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:07,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:08,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:10,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:10,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:23:10,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:23:10,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3185 [2020-10-14 06:23:10,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:10,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:10,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:10,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:10,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:10,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:10,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:10,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:10,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:10,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:23:10,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:10,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:23:10,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:10,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:10,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:10,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:10,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:10,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:10,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:10,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:10,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:10,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:23:10,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:10,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:10,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:10,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:10,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:10,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:10,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:10,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:10,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:10,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:10,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:10,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:10,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:10,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:10,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:10,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:10,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:10,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:10,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:10,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:10,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:23:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:10,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:10,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:10,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:10,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:10,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:10,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:10,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:10,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:10,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:10,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:10,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:10,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:23:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:10,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:10,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:10,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:23:10,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:10,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:23:10,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:10,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:10,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:10,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:10,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:10,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:10,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:10,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:10,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:10,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:23:10,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:10,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:10,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:10,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:10,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:10,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:10,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:10,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:10,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:10,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:10,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:10,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:10,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:10,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:10,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:10,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:10,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:10,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:10,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:10,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:10,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:23:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:10,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:10,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:10,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:10,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:10,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:10,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:10,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:10,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:10,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:10,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:10,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:10,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:23:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:10,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:10,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:10,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:23:10,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:10,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:23:10,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:10,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:10,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:10,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:10,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:10,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:10,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:10,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:10,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:10,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:23:10,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:10,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:10,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:10,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:10,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:10,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:10,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:10,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:10,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:10,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:10,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:10,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:10,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:10,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:10,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:10,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:10,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:10,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:10,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:10,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:10,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:23:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:10,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:10,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:10,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:10,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:10,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:10,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:10,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:10,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:10,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:10,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:10,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:10,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 06:23:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:10,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:10,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:10,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:23:10,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:10,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:23:10,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:10,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:10,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:10,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:23:10,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:10,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:10,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:10,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:10,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:10,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:10,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:10,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:10,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:10,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:10,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:10,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:10,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:10,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:11,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:23:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:11,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:11,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:11,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:11,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:11,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:11,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:11,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:11,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:11,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:11,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:11,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:11,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-14 06:23:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:11,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:11,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:11,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:11,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:11,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:11,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:11,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:11,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:11,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:23:11,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:11,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:11,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 06:23:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:11,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:11,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:11,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:23:11,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:11,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:11,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:11,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:11,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:11,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:23:11,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:11,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:11,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-14 06:23:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:11,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:11,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:11,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:11,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:11,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:11,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:11,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:11,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:11,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:23:11,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:11,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:11,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 06:23:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:11,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:11,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:11,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:11,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:11,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:11,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:11,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:11,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:11,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:23:11,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:11,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:11,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-14 06:23:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:11,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:11,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:11,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:11,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:11,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:11,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:11,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:11,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:11,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:23:11,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:11,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:11,071 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:23:11,071 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [930045524] [2020-10-14 06:23:11,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:23:11,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:23:11,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701002601] [2020-10-14 06:23:11,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:23:11,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:23:11,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:23:11,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:23:11,073 INFO L87 Difference]: Start difference. First operand 537 states and 777 transitions. Second operand 11 states. [2020-10-14 06:23:13,863 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-14 06:23:23,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:23:23,535 INFO L93 Difference]: Finished difference Result 1832 states and 3021 transitions. [2020-10-14 06:23:23,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 06:23:23,536 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 160 [2020-10-14 06:23:23,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:23:23,545 INFO L225 Difference]: With dead ends: 1832 [2020-10-14 06:23:23,546 INFO L226 Difference]: Without dead ends: 1470 [2020-10-14 06:23:23,548 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-14 06:23:23,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1470 states. [2020-10-14 06:23:23,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1470 to 679. [2020-10-14 06:23:23,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2020-10-14 06:23:23,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1018 transitions. [2020-10-14 06:23:23,839 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1018 transitions. Word has length 160 [2020-10-14 06:23:23,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:23:23,840 INFO L479 AbstractCegarLoop]: Abstraction has 679 states and 1018 transitions. [2020-10-14 06:23:23,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:23:23,840 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1018 transitions. [2020-10-14 06:23:23,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-14 06:23:23,844 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:23:23,844 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:23:23,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 06:23:23,844 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:23:23,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:23:23,845 INFO L82 PathProgramCache]: Analyzing trace with hash 155046822, now seen corresponding path program 2 times [2020-10-14 06:23:23,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:23:23,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [230234980] [2020-10-14 06:23:23,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:23:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:23,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:23,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:24,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:24,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:24,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:24,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:28,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:28,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-14 06:23:28,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:23:28,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-10-14 06:23:28,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:28,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:28,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:23:28,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-14 06:23:28,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:23:28,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:30,160 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-14 06:23:30,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:23:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:30,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:30,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:30,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:23:30,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:30,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 06:23:30,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:30,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:30,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:30,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:30,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:30,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:30,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:23:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:30,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:30,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:30,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:23:30,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:30,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:30,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:30,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:30,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:30,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:30,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:30,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:30,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:23:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:30,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:30,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:30,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:23:30,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:30,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:30,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:30,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:30,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:30,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:30,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:30,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:30,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:23:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:30,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:30,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:30,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:23:30,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:30,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:30,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:30,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:30,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:30,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:30,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:30,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:30,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:23:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:30,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:30,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:30,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:30,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:30,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:33,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:33,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:23:33,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:23:33,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3220 [2020-10-14 06:23:33,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:33,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:33,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:33,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:33,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:33,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:33,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:33,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:33,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:33,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:23:33,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:33,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:23:33,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:33,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:33,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:33,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:33,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:33,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:33,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:33,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:33,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:33,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:23:33,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:33,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:23:33,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:33,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:33,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:33,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:33,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:33,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:33,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:33,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:33,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:33,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:33,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:33,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:33,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:33,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:33,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:33,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:33,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:33,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:33,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:23:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:33,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:33,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:33,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:33,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:33,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:33,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:33,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:33,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:33,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:33,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:33,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:33,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:23:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:33,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:33,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:33,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:23:33,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:33,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:23:33,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:33,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:33,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:33,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:33,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:33,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:33,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:33,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:33,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:33,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:23:33,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:33,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:33,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:33,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:33,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:33,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:33,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:33,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:33,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:33,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:33,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:33,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:33,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:33,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:33,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:33,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:33,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:33,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:33,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:33,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:33,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:23:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:33,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:33,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:33,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:33,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:33,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:33,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:33,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:33,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:33,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:33,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:33,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:33,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:23:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:33,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:33,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:33,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:23:33,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:33,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:23:33,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:33,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:33,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:33,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:33,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:33,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:33,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:33,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:33,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:33,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:23:33,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:33,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:23:33,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:33,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:33,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:33,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:33,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:33,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:33,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:33,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:33,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:33,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:33,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:33,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:33,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:33,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:33,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:33,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:33,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:33,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:33,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:23:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:33,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:33,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:33,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:33,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:33,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:33,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:33,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:33,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:33,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:33,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:33,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:33,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 06:23:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:33,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:33,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:33,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:23:33,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:33,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:23:33,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:33,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:33,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:33,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:23:33,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:33,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:33,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:33,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:33,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:33,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:33,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:33,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:33,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:33,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:33,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:33,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:33,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:33,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:33,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:23:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:33,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:33,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:33,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:33,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:33,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:33,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:33,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:33,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:33,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:33,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:33,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:33,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-14 06:23:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:33,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:33,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:33,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:33,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:33,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:33,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:33,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:33,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:33,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:23:33,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:33,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:33,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 06:23:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:33,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:33,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:33,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:23:33,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:33,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:33,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:33,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:33,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:33,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:23:33,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:33,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:33,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-14 06:23:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:33,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:33,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:33,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:33,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:33,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:33,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:33,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:33,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:33,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:23:33,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:33,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:33,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 06:23:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:33,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:33,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:33,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:33,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:33,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:33,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:33,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:33,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:33,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:23:33,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:33,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:33,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-14 06:23:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:33,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:33,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:33,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:33,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:33,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:33,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:33,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:33,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:33,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:23:33,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:33,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:33,694 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:23:33,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [230234980] [2020-10-14 06:23:33,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:23:33,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:23:33,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898358882] [2020-10-14 06:23:33,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:23:33,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:23:33,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:23:33,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:23:33,696 INFO L87 Difference]: Start difference. First operand 679 states and 1018 transitions. Second operand 11 states. [2020-10-14 06:23:36,910 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-14 06:23:49,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:23:49,173 INFO L93 Difference]: Finished difference Result 2891 states and 4986 transitions. [2020-10-14 06:23:49,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 06:23:49,173 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 160 [2020-10-14 06:23:49,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:23:49,188 INFO L225 Difference]: With dead ends: 2891 [2020-10-14 06:23:49,189 INFO L226 Difference]: Without dead ends: 2324 [2020-10-14 06:23:49,194 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-14 06:23:49,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2324 states. [2020-10-14 06:23:49,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2324 to 965. [2020-10-14 06:23:49,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2020-10-14 06:23:49,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1500 transitions. [2020-10-14 06:23:49,750 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1500 transitions. Word has length 160 [2020-10-14 06:23:49,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:23:49,750 INFO L479 AbstractCegarLoop]: Abstraction has 965 states and 1500 transitions. [2020-10-14 06:23:49,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:23:49,750 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1500 transitions. [2020-10-14 06:23:49,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-14 06:23:49,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:23:49,755 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:23:49,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 06:23:49,755 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:23:49,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:23:49,755 INFO L82 PathProgramCache]: Analyzing trace with hash -435860045, now seen corresponding path program 1 times [2020-10-14 06:23:49,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:23:49,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1729764197] [2020-10-14 06:23:49,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:23:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:49,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:49,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:49,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:49,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:49,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:49,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:50,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:50,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:52,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:52,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:52,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:52,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:54,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:54,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-14 06:23:54,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-14 06:23:54,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 06:23:54,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:54,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:54,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:23:54,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:23:54,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 06:23:54,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:56,010 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-14 06:23:56,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:23:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:56,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:56,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:56,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:23:56,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:56,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 06:23:56,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:56,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:56,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:56,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:56,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:56,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:56,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:23:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:56,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:56,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:56,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:23:56,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:56,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:56,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:56,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:56,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:56,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:56,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:56,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:56,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:23:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:56,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:56,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:56,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:23:56,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:56,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:56,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:56,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:56,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:56,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:23:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:56,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:56,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:56,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:23:56,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:56,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:56,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:56,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:56,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:56,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:56,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:56,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:56,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:23:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:56,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:56,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:56,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:56,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:56,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:59,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:59,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:23:59,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:23:59,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3704 [2020-10-14 06:23:59,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:59,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:59,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:59,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:59,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:59,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:59,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:59,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:59,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:59,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:23:59,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:59,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:23:59,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:59,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:59,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:59,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:59,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:59,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:59,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:59,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:59,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:59,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:23:59,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:59,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:59,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:59,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:59,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:59,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:59,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:59,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:59,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:59,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:59,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:59,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:59,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:59,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:59,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:59,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:59,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:59,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:59,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:59,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:59,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:23:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:59,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:59,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:59,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:59,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:59,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:59,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:59,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:59,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:59,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:59,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:59,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:59,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:23:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:59,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:59,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:59,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:23:59,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:59,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:23:59,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:59,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:59,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:59,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:59,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:59,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:59,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:59,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:59,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:59,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:23:59,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:59,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:59,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:59,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:59,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:59,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:59,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:59,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:59,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:59,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:59,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:59,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:59,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:59,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:59,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:59,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:59,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:59,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:59,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:59,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:59,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:23:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:59,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:59,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:59,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:59,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:59,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:59,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:59,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:59,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:59,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:59,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:59,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:59,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:23:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:59,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:59,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:59,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:23:59,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:59,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:23:59,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:59,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:59,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:59,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:59,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:59,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:59,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:59,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:59,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:59,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:23:59,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:59,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:59,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:59,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:59,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:59,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:59,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:59,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:59,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:59,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:59,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:59,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:59,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:59,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:59,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:59,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:59,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:59,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:59,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:59,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:59,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:23:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:59,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:59,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:59,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:59,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:59,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:59,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:59,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:59,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:59,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:59,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:59,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:59,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-14 06:23:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:59,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:59,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:59,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:23:59,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:59,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:23:59,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:59,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:59,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:59,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:23:59,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:59,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:59,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:59,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:59,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:59,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:59,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:59,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:59,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:59,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:59,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:59,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:59,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:59,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:59,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:23:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:59,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:59,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:59,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:59,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:59,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:59,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:59,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:59,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:59,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:59,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:59,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:59,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 06:23:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:59,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:59,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:59,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:59,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:59,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:59,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:59,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:59,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:59,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:23:59,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:59,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:59,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-14 06:23:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:59,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:59,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:59,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:23:59,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:59,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:59,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:59,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:59,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:59,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:23:59,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:59,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:59,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-14 06:23:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:59,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:59,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:59,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:59,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:59,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:59,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:59,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:59,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:59,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:23:59,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:59,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:59,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 06:23:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:59,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:59,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:59,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:59,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:59,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:59,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:59,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:59,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:59,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:23:59,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:59,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:59,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-14 06:23:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:59,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:59,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:59,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:59,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:59,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:59,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:59,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:59,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:59,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:23:59,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:59,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:00,021 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:24:00,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1729764197] [2020-10-14 06:24:00,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:24:00,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:24:00,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164730789] [2020-10-14 06:24:00,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:24:00,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:24:00,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:24:00,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:24:00,023 INFO L87 Difference]: Start difference. First operand 965 states and 1500 transitions. Second operand 11 states. [2020-10-14 06:24:03,580 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-14 06:24:16,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:24:16,614 INFO L93 Difference]: Finished difference Result 4651 states and 8224 transitions. [2020-10-14 06:24:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 06:24:16,615 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 161 [2020-10-14 06:24:16,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:24:16,640 INFO L225 Difference]: With dead ends: 4651 [2020-10-14 06:24:16,640 INFO L226 Difference]: Without dead ends: 3912 [2020-10-14 06:24:16,646 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-14 06:24:16,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3912 states. [2020-10-14 06:24:17,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3912 to 1495. [2020-10-14 06:24:17,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1495 states. [2020-10-14 06:24:17,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 2389 transitions. [2020-10-14 06:24:17,673 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 2389 transitions. Word has length 161 [2020-10-14 06:24:17,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:24:17,674 INFO L479 AbstractCegarLoop]: Abstraction has 1495 states and 2389 transitions. [2020-10-14 06:24:17,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:24:17,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 2389 transitions. [2020-10-14 06:24:17,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-14 06:24:17,679 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:24:17,680 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:24:17,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 06:24:17,680 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:24:17,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:24:17,680 INFO L82 PathProgramCache]: Analyzing trace with hash -438125445, now seen corresponding path program 1 times [2020-10-14 06:24:17,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:24:17,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1537098915] [2020-10-14 06:24:17,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:24:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:17,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:17,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:17,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:17,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:17,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:17,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:18,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:18,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:18,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:18,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:18,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:22,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:22,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-14 06:24:22,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-14 06:24:22,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 06:24:22,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:22,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:22,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:24:22,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:24:22,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 06:24:22,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:23,929 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-14 06:24:23,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:24:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:23,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:23,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:23,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:24:23,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:23,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 06:24:23,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:23,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:23,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:23,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:23,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:23,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:23,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:24:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:23,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:23,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:23,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:24:23,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:23,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:23,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:23,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:23,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:23,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:23,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:23,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:23,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:24:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:23,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:23,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:23,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:24:23,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:23,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:23,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:23,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:23,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:23,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:23,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:23,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:23,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:24:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:23,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:23,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:23,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:24:23,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:23,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:23,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:23,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:23,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:23,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:23,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:23,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:24,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:24:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:24,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:24,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:24,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:24,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:24,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:27,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:27,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:24:27,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:24:27,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3414 [2020-10-14 06:24:27,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:27,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:27,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:27,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:27,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:27,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:27,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:27,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:27,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:27,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:24:27,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:27,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:24:27,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:27,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:27,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:27,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:27,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:27,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:27,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:27,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:27,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:27,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:24:27,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:27,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:24:27,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:27,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:27,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:27,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:27,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:27,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:27,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:27,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:27,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:27,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:27,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:27,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:27,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:27,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:27,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:27,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:27,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:27,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:27,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:24:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:27,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:27,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:27,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:27,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:27,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:27,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:27,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:27,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:27,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:27,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:27,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:27,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:24:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:27,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:27,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:27,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:24:27,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:27,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:24:27,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:27,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:27,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:27,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:27,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:27,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:27,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:27,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:27,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:27,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:24:27,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:27,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:27,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:27,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:27,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:27,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:27,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:27,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:24:27,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:27,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:27,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:27,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:27,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:27,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:27,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:27,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:27,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:27,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:27,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:27,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:24:27,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:24:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:27,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:27,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:27,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:27,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:27,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:27,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:27,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:27,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:27,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:27,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:27,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:27,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:24:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:27,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:27,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:27,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:24:27,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:27,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:24:27,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:27,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:27,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:27,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:27,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:27,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:27,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:27,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:27,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:27,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:24:27,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:27,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:27,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:27,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:27,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:27,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:27,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:27,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:27,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:27,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:27,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:27,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:27,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:27,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:27,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:27,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:27,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:27,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:27,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:27,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:27,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:24:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:27,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:27,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:27,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:27,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:27,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:27,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:27,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:27,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:27,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:27,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:27,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:24:27,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 06:24:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:27,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:27,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:27,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:24:27,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:27,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:24:27,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:27,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:27,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:27,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:24:27,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:27,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:27,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:27,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:27,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:27,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:27,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:27,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:27,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:27,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:27,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:27,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:27,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:27,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:24:27,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:24:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:27,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:27,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:27,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:27,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:27,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:27,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:27,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:27,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:27,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:27,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:27,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:27,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 06:24:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:27,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:27,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:27,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:27,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:27,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:27,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:27,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:27,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:27,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:24:27,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:27,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:27,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 06:24:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:27,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:27,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:27,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:24:27,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:27,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:27,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:27,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:27,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:27,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:24:27,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:27,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:27,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 06:24:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:27,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:27,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:27,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:27,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:27,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:27,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:27,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:27,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:27,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:24:27,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:27,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:27,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 06:24:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:27,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:27,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:27,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:27,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:27,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:27,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:27,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:27,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:27,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:24:27,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:27,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:27,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-14 06:24:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:27,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:27,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:27,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:27,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:27,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:27,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:27,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:27,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:27,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:24:27,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:27,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:27,745 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:24:27,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1537098915] [2020-10-14 06:24:27,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:24:27,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:24:27,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226959515] [2020-10-14 06:24:27,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:24:27,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:24:27,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:24:27,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:24:27,747 INFO L87 Difference]: Start difference. First operand 1495 states and 2389 transitions. Second operand 11 states. [2020-10-14 06:24:31,290 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 535